Streamwood, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Streamwood, a village in Cook County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. Southwest wind around 10 mph.
7-day forecast for Streamwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 10 mph SW | 1% |
| Tonight | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Wednesday | 79°F | Showers And Thunderstorms Likely | 5 mph SW | 74% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph WNW | 85% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 60% |
| Thursday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 20% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph S | 4% |
| Friday Night | 64°F | Partly Cloudy | 0 to 5 mph SSW | 9% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 20% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 20% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 43% |
| Monday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 46% |
Forecast source: National Weather Service (api.weather.gov) for Streamwood (42.021, -88.178). Updated through the day.
Growing snapshot for Streamwood
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
5b
More local growing data for Streamwood: nearby ZIP 60107 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Streamwood, Il (0.3 mi from Streamwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.